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Analysis of the Degradation of MOSFETs in Switching Mode Power Supply by Characterizing Source Oscillator Signals
المؤلفون المشاركون
Zheng, Xueyan
Wu, Lifeng
Guan, Yong
Li, Xiaojuan
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-7، 7ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-11-11
دولة النشر
مصر
عدد الصفحات
7
التخصصات الرئيسية
الملخص EN
Switching Mode Power Supply (SMPS) has been widely applied in aeronautics, nuclear power, high-speed railways, and other areas related to national strategy and security.
The degradation of MOSFET occupies a dominant position in the key factors affecting the reliability of SMPS.
MOSFETs are used as low-voltage switches to regulate the DC voltage in SMPS.
The studies have shown that die-attach degradation leads to an increase in on-state resistance due to its dependence on junction temperature.
On-state resistance is the key indicator of the health of MOSFETs.
In this paper, an online real-time method is presented for predicting the degradation of MOSFETs.
First, the relationship between an oscillator signal of source and on-state resistance is introduced.
Because oscillator signals change when they age, a feature is proposed to capture these changes and use them as indicators of the state of health of MOSFETs.
A platform for testing characterizations is then established to monitor oscillator signals of source.
Changes in oscillator signal measurement were observed with aged on-state resistance as a result of die-attach degradation.
The experimental results demonstrate that the method is efficient.
This study will enable a method to predict the failure of MOSFETs to be developed.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zheng, Xueyan& Wu, Lifeng& Guan, Yong& Li, Xiaojuan. 2013. Analysis of the Degradation of MOSFETs in Switching Mode Power Supply by Characterizing Source Oscillator Signals. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-1008980
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zheng, Xueyan…[et al.]. Analysis of the Degradation of MOSFETs in Switching Mode Power Supply by Characterizing Source Oscillator Signals. Mathematical Problems in Engineering No. 2013 (2013), pp.1-7.
https://search.emarefa.net/detail/BIM-1008980
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zheng, Xueyan& Wu, Lifeng& Guan, Yong& Li, Xiaojuan. Analysis of the Degradation of MOSFETs in Switching Mode Power Supply by Characterizing Source Oscillator Signals. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-1008980
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1008980
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